Title Genres Topics Date (Start) Date (End)
Gladys Black letter to Vernon M. Kleen regarding birds sighted during breeding season 1975, August 5, 1975 Correspondence Field notes Bird watching Birds--Nests Birds--Research Ornithology--Methodology Radio and television tower bird strikes 1975-08-05 N/A
Gladys Black letter, field notes and map to Vernon M. Kleen regarding fall migration, 1975, Red Rock Lake and Refuge, December 10, 1975 Correspondence Field notes Maps (documents) Bird populations Bird watching Birds--Migration Birds--Research Habitat (Ecology) Ornithology--Methodology Power-plants 1975-12-10 N/A
Gladys Black letter to Vernon M. Kleen regarding her sighting of Clark's Nutcracker, March 5, 1973 Correspondence Bird watching Birds--Research Ornithology--Methodology 1973-03-05 N/A
James J. Dinsmore letter to Vernon M. Kleen regarding submitting records for American birds, December 2, 1975 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1975-12-02 N/A
R. Craig Hensley letter to Thomas H. Kent regarding possible bird sightings and attached field notes, August 11, 1982 Correspondence Field notes Bird watching Birds--Identification Birds--Research Ornithology--Methodology Rare birds 1982-08-11 N/A
John C. Robinson letter to Thomas H. Kent regarding field report, August 1, 1982 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1982-08-01 N/A
Doug Reeves letter and photograph to W. Ross Silcock regarding Breeding Bird Atlas special documentation forms and a Barn Owl nest, February 12, 1987 Correspondence Field notes Photographs Bird watching Birds--Nests Ornithology--Methodology Birds--Infancy 1987-02-12 N/A
Althea Sherman letter to Philip DuMont regarding the "Birds of Polk County, Iowa", January 5, 1932 Correspondence Bird surveys Ornithology--Methodology Ornithological literature 1932-01-05 N/A
Arthur Bent letter to Mrs. J. E. Stewart regarding "Birds of Polk County, Iowa", November 30, 1931 Correspondence Ornithology--Methodology Ornithological literature English language--Homonyms 1931-11-30 N/A
Babs Padelford letter to Thomas H. Kent regarding spring bird sightings, May 26, 1983 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1983-05-26 N/A
Barbara L. Wilson letter to Thomas H. Kent regarding summer bird sightings and populations, July 31, 1981 Correspondence Field notes Forms (documents) Bird populations Bird watching Birds--Counting Birds--Nests Birds--Research Ornithology--Methodology Weather 1981-07-31 N/A
Beth Proescholdt letter to Thomas H. Kent regarding record Hawk counts, December 1, 1998. Correspondence Field notes Bird watching Birds--Counting Falconiformes | Hawks, Eagles, Falcons, Osprey, and Vultures Ornithology--Methodology 1998-12-01 N/A
C. A. Stewart letter to multiple recipients regarding a revised check list for the birds of Iowa, February 3, 1950 Correspondence Forms (documents) Instructional materials Bird populations Bird surveys Bird watching Birds--Identification Ornithology--Methodology 1950-02-03 N/A
Charlotte Scott letter to Nicholas S. Halmi regarding bird sightings, May 31, 1978 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1978-05-31 N/A
Charlotte Scott letter to Thomas H. Kent regarding summer bird sightings, July 30, 1981 Correspondence Field notes Bird watching Birds--Nests Birds--Research Ornithology--Methodology 1981-07-30 N/A
Clarence Cottam letter to Walter Rosene regarding the analysis and contents of Long-eared Owl pellets, May 28, 1936 Correspondence Reports Birds--Research Ornithology--Methodology Bird droppings 1936-05-28 N/A
Darwin Koenig letter to Thomas H. Kent regarding summer bird sightings, July 31, 1981 Correspondence Field notes Bird watching Birds--Counting Birds--Nests Birds--Research Ornithology--Methodology 1981-07-31 N/A
David A. Newhouse letter to Thomas H. Kent regarding summer bird sightings, July 25, 1981 Correspondence Field notes Bird watching Birds--Nests Birds--Research Ornithology--Methodology Phasianidae | Pheasants, Turkeys, and Grouse Water birds Weather 1981-07-25 N/A
David Ewert letter to Thomas H. Kent regarding a Cerulean Warbler sighting, May 23, 1983 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1983-05-23 N/A
Dean Mosman letter to Vernon Kleen regarding hawks, April 8, 1976 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1976-04-08 N/A
Dean Mosman letter to Thomas H. Kent regarding summer bird sightings, July 29, 1981 Correspondence Field notes Bird declines Bird populations Bird watching Birds--Nests Birds--Research Ornithology--Methodology 1981-07-29 N/A
Letter from Dean Mosman to Vernon Kleen containing bird sighting notes, June 14, 1976 Correspondence Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1976-06-14 N/A
Dorothy Franek letter to Peter C. Peterson regarding her first winter bird population study, March 10, 1969 Correspondence Bird watching Birds--Identification Ornithology--Methodology Weather 1969-01-01 1969-03-31
Douglas C. Harr letter to Thomas H. Kent regarding summer bird sightings, July 23, 1981 Correspondence Field notes Bird watching Birds--Nests Birds--Research Ornithology--Methodology 1981-07-31 N/A
Edward William Nelson letter to the bird migration observers of the Biological Survey regarding a change in reporting bird observations, March 2, 1925 Correspondence Instructions (document genre) Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1925-03-02 N/A